Computer network courses can help you learn how data moves between devices, how networks are structured, and how to keep them secure and efficient.

Northwestern University
Skills you'll gain: Social Media Marketing, Social Media Strategy, Social Media, Marketing Effectiveness, Marketing, Performance Measurement, Business Metrics, Customer Engagement, Business-To-Consumer, Return On Investment, Key Performance Indicators (KPIs), Integrated Marketing Communications, Program Management, Law, Regulation, and Compliance, A/B Testing, Information Privacy
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Paid media, Order Fulfillment, Media Planning, Social Media Campaigns, Social Media, Google Ads, Social Media Marketing, Social Media Strategy, Performance Measurement, Order Processing, Customer Acquisition Management, Brand Loyalty, Search Engine Marketing, Content Creation, Customer Relationship Management, Customer Retention, E-Commerce, Marketing Analytics, Campaign Management
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Restful API, Application Programming Interface (API), Authentications, Software Testing, JSON, Security Testing, Authorization (Computing), Test Case, Scenario Testing, Java
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: TikTok, Video Production, Content Performance Analysis, Content Creation, Videography, Web Analytics and SEO, Social Media Content, Video Editing, Photography, Media Production, Social Media Campaigns, Social Media, Driving engagement, Social Media Marketing, Social Media Strategy, Content Strategy, Storytelling, Photo Editing, Branding, Drive Engagement
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Exploitation techniques, Vulnerability Assessments, Intrusion Detection and Prevention, Application Security, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Virtual Local Area Network (VLAN), Cloud Security, Wireless Networks, Application Programming Interface (API)
Advanced · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Ajax, Web Design, Java Platform Enterprise Edition (J2EE), Cascading Style Sheets (CSS), Web Applications, Scripting, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Hibernate (Java), Service Oriented Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Web Design and Development, Front-End Web Development, Web Design, Maintainability, Web Development, Browser Compatibility, Semantic Web, Web Content Accessibility Guidelines
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: PyTorch (Machine Learning Library), Image Analysis, Machine Learning Methods, Digital Communications, Deep Learning, Artificial Neural Networks, Computer Vision, Telecommunications
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: JUnit, Unit Testing, Software Testing, Development Testing, Java, Test Case, Integration Testing, Test Automation, Test Driven Development (TDD), Code Coverage
Intermediate · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Data Warehousing, Data Analysis, Cloud Computing, Data Architecture, Big Data, Cloud Services, Analytics, Analysis, Data Storage, Cloud Computing Architecture, Cloud Infrastructure, Cloud Solutions, Scalability, Data Processing, Extract, Transform, Load, Cloud Platforms, Public Cloud, Software As A Service, Statistical Analysis, Data Strategy
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Development Environment, CI/CD, DevOps, Software Development Tools, GitHub, Integrated Development Environments, Generative AI, Software Documentation
Intermediate · Course · 1 - 3 Months
University of Glasgow
Skills you'll gain: Application Deployment, Application Development, Code Review, Software Development, Prototyping, Web Applications, JavaScript Frameworks, Software Engineering, Javascript, Computational Thinking, Version Control, Programming Principles, Program Management
Beginner · Course · 1 - 4 Weeks